CVE-2020-36177 Memory corruption in n/a
An out-of-bounds write in wolfSSL's RSA PSS padding allows attackers to potentially execute code or cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-36177?
CVE-2020-36177 is a critical memory corruption vulnerability in Wolfssl Wolfssl, published on 6 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
RsaPad_PSS in wolfcrypt/src/rsa.c in wolfSSL before 4.6.0 has an out-of-bounds write for certain relationships between key size and digest size.
Weakness: CWE-787
Which versions are affected by CVE-2020-36177?
It affects 1 product.
Products include Wolfssl Wolfssl.
How do I fix CVE-2020-36177?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-36177 being exploited?
There is no known exploitation of CVE-2020-36177 in the wild and no public exploit code.
Other vulnerabilities in Wolfssl Wolfssl
Sources
Also known as DEBIAN-CVE-2020-36177, GHSA-68gc-rmhh-c4gg, UBUNTU-CVE-2020-36177.